chore: import upstream snapshot with attribution

2026-07-13 12:47:05 +08:00
commit 4f3b7da785
7394 changed files with 2005594 additions and 0 deletions
@@ -0,0 +1,107 @@
+/* ******************************************************************************
+ *
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Apache License, Version 2.0 which is available at
+ * https://www.apache.org/licenses/LICENSE-2.0.
+ *
+ *  See the NOTICE file distributed with this work for additional
+ *  information regarding copyright ownership.
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ ******************************************************************************/
+
+//
+// @author Yurii Shyrma (iuriish@yahoo.com), created on 03.09.2018
+//
+
+#include <system/op_boilerplate.h>
+#if NOT_EXCLUDED(OP_broadcast_to)
+
+#include <ops/declarable/headers/shape.h>
+
+namespace sd {
+namespace ops {
+
+CUSTOM_OP_IMPL(broadcast_to, 2, 1, false, 0, 0) {
+  auto input = INPUT_VARIABLE(0);
+  auto shape = INPUT_VARIABLE(1);
+
+  auto output = OUTPUT_VARIABLE(0);
+
+  const int inputRank = input->rankOf();
+  const int shapeRank = shape->rankOf();
+  const LongType shapeLen = shape->lengthOf();
+
+  REQUIRE_TRUE(shapeRank <= 1, 0, "BROADCAST_TO op: rank of shape array should be <= 1, bot got %i instead !",
+               shapeRank);
+  REQUIRE_TRUE(inputRank <= shapeLen, 0,
+               "BROADCAST_TO op: rank of input shape array should be <= length of shape array, bot got %i and %i "
+               "correspondingly !",
+               inputRank, shapeLen);
+
+  std::vector<LongType> shapeBuff = shape->getBufferAsVector<LongType>();
+  std::vector<LongType> outShape(shapeBuff.begin(), shapeBuff.end());
+
+  for (int i = 1; i <= inputRank; ++i)
+    REQUIRE_TRUE(input->sizeAt(inputRank - i) == outShape[shapeLen - i] || input->sizeAt(inputRank - i) == 1, 0,
+                 "BROADCAST_TO op: shape of input array %s can't be broadcasted to the shape %s !",
+                 ShapeUtils::shapeAsString(input).c_str(), ShapeUtils::shapeAsString(outShape).c_str());
+
+  input->tile(*output);
+
+  return Status::OK;
+}
+
+DECLARE_TYPES(broadcast_to) { getOpDescriptor()->setAllowedInputTypes(ANY)->setSameMode(true); }
+
+//////////////////////////////////////////////////////////////////////////
+DECLARE_SHAPE_FN(broadcast_to) {
+  auto inputShapeInfo = inputShape->at(0);
+  auto shape = INPUT_VARIABLE(1);
+
+  const LongType inputRank = inputShapeInfo[0];
+  const LongType shapeRank = shape->rankOf();
+  const LongType shapeLen = shape->lengthOf();
+
+  REQUIRE_TRUE(shapeRank <= 1, 0, "BROADCAST_TO op: rank of input shape array should be <= 1, bit got %i instead !",
+               shapeRank);
+  REQUIRE_TRUE(inputRank <= shapeLen, 0,
+               "BROADCAST_TO op: rank of input shape array should be <= length of shape array, bot got %i and %i "
+               "correspondingly !",
+               inputRank, shapeLen);
+
+  if(shape->isScalar()) {
+    std::vector<LongType> outShape;
+    outShape.reserve(1);
+    auto firstVal = shape->cast(INT64)->e<LongType>(0);
+    outShape[0] = firstVal;
+    ShapeDescriptor shapeDescriptor(ArrayOptions::dataType(inputShapeInfo), shape::order(inputShapeInfo), {firstVal});
+
+    auto outShapeInfo = ConstantShapeHelper::getInstance().createShapeInfo(&shapeDescriptor);
+    return SHAPELIST(outShapeInfo);
+
+  }
+
+  std::vector<LongType> shapeBuff = shape->getBufferAsVector<LongType>();
+  std::vector<LongType> outShape(shapeBuff.begin(), shapeBuff.end());
+
+  for (int i = 1; i <= inputRank; ++i)
+    REQUIRE_TRUE(inputShapeInfo[inputRank + 1 - i] == outShape[shapeLen - i] || inputShapeInfo[inputRank + 1 - i] == 1,
+                 0, "BROADCAST_TO op: shape of input array %s can't be broadcasted to the shape %s !",
+                 ShapeUtils::shapeAsString(inputShapeInfo).c_str(), ShapeUtils::shapeAsString(outShape).c_str());
+
+  auto outShapeInfo = ConstantShapeHelper::getInstance().createShapeInfo(ArrayOptions::dataType(inputShapeInfo),
+                                                                         shape::order(inputShapeInfo), outShape);
+  return SHAPELIST(outShapeInfo);
+}
+
+}  // namespace ops
+}  // namespace sd
+
+#endif